Home / 146,877.10-220,785.45-136,476.70

Finding the Fourth Proportional to 146,877.10, 220,785.45 and 136,476.70

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Solution

The fourth proportional to 146,877.10, 220,785.45 and 136,476.70 is: 205,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,877.10 : 220,785.45 = 136,476.70 : x
  2. Step 2: Convert to fraction form
    146,877.10/220,785.45 = 136,476.70/x
  3. Step 3: Cross multiply
    146,877.10x = 220,785.45 × 136,476.70
  4. Step 4: Simplify right side
    146,877.10x = 30,132,069,624.02
  5. Step 5: Solve for x
    x = 30,132,069,624.02/146,877.10
  6. Step 6: Final answer
    x = 205,151.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.